Physical Values

WARNING: This page is about a different car, the 2011 Nissan Xterra. However, it is still accessible from the selected car via links, so may be relevant.

BLUETOOTH CONTROL UNIT CONNECTOR TERMINALS REFERENCE CHART

Terminal (wire color)		Description		Condition		Reference value (Approx.)
+	-	Signal name	Input/output	Condition		Reference value (Approx.)
1 (R/B)	Ground	Battery power	Input	-	-	Battery voltage
2 (G/Y)	Ground	ACC power	Input	Ignition switch ACC/ON	-	Battery voltage
3 (W/G)	Ground	IGN power	Input	Ignition switch ON/START	-	Battery voltage
4 (B)	Ground	Ground	-	Ignition switch ON	-	0V
6	-	Shield	-	-	-	-
7 (G)	8 (L)	MIC in signal	Input	-	-	-
9 (W)	10 (B)	Audio out	Output	Ignition switch ACC/ON	Bluetooth control unit sends audio signal
11 (R)	-	Mute control	-	-	-	-
12 (BR)	14 (G)	Steering switch signal A	Input	Ignition switch ON	Pressing button	0V
					Pressing button	0.75
					Pressing VOL up button	2V
					Except for above	5V
13 (L)	14 (G)	Steering switch signal B	Input	Ignition switch ON	Pressing button	0V
					Pressing button	0.75V
					Pressing VOL down button	2V
					Except for above	5 V
17 (V)	19 (O)	Steering switch signal A	Output	Ignition switch ON	Pressing button	0V
					Pressing button	0.75
					Pressing VOL up button	2V
					Except for above	5V
18 (LG)	19 (O)	Steering switch signal B	Output	Ignition switch ON	Pressing button	0V
					Pressing button	0.75V
					Pressing VOL down button	2V
					Except for above	5V
21 (B)	Ground	Ground	-	-	-	0V
24 (B)	Ground	Ground	-	-	-	0V
28 (SB)	Ground	Vehicle speed signal (8-pulse)	Input	Ignition switch ON	When vehicle speed is approx. 25 MPH (40 km/h)
29 (Y)	Ground	Microphone power	Output	Ignition switch ON	-	5V